D. R. Clark

Organochlorine pesticides and PCB's: A continuing problem for the 1980s

C. Henny, W. Fleming, D. R. Clark, 1983 .

Bats and environmental contaminants: A review

D. R. Clark, 1981 .

Texas rat snake (Elaphe obsoleta lindheimeri) eggs and hatchlings from a communal nest

G. Pendleton, D. R. Clark, 1995 .

Environmental contaminants and the management of bat populations in the United States

D. R. Clark, 1988 .